egg capsule of Vampirolepis nana, the mouse tapeworm.  This egg capsule is smaller than its cousin's, Hymenolepis diminuta and has two polar filaments extending from the surface of the embryophore seen in this photo as the ribbons surrounding the embryo.    400x

egg capsule of Vampirolepis nana.  The polar filaments can be seen in this image along with a few of the hooks within the hexacanth (vertical rods).  The spiral body to the left is an annular vessel of some plant material this host had eaten.  400x